644080905

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{57947}}^1$

素因数の和:57990

約数の個数: 48

約数和(自身を含む): 1265584320

約数和(自身を除く): 621503415

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 3705, 11115, 57947, 173841, 289735, 521523, 753311, 869205, 1100993, 2259933, 2607615, 3302979, 3766555, 5504965, 6779799, 9908937, 11299665, 14312909, 16514895, 33898995, 42938727, 49544685, 71564545, 128816181, 214693635, 644080905]

約数ペア:

[(1, 644080905), (3, 214693635), (5, 128816181), (9, 71564545), (13, 49544685), (15, 42938727), (19, 33898995), (39, 16514895), (45, 14312909), (57, 11299665), (65, 9908937), (95, 6779799), (117, 5504965), (171, 3766555), (195, 3302979), (247, 2607615), (285, 2259933), (585, 1100993), (741, 869205), (855, 753311), (1235, 521523), (2223, 289735), (3705, 173841), (11115, 57947)]